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Initial import.

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This commit is contained in:
rsc 2003-09-30 17:47:42 +00:00
parent b2cfc4e2e7
commit ed7c8e8d02
41 changed files with 3226 additions and 0 deletions
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69
src/libdraw/draw.c Normal file
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@ -0,0 +1,69 @@
#include <u.h>
#include <libc.h>
#include <draw.h>
void
_setdrawop(Display *d, Drawop op)
{
uchar *a;
if(op != SoverD){
a = bufimage(d, 1+1);
if(a == 0)
return;
a[0] = 'O';
a[1] = op;
}
}
static void
draw1(Image *dst, Rectangle *r, Image *src, Point *p0, Image *mask, Point *p1, Drawop op)
{
uchar *a;
_setdrawop(dst->display, op);
a = bufimage(dst->display, 1+4+4+4+4*4+2*4+2*4);
if(a == 0)
return;
if(src == nil)
src = dst->display->black;
if(mask == nil)
mask = dst->display->opaque;
a[0] = 'd';
BPLONG(a+1, dst->id);
BPLONG(a+5, src->id);
BPLONG(a+9, mask->id);
BPLONG(a+13, r->min.x);
BPLONG(a+17, r->min.y);
BPLONG(a+21, r->max.x);
BPLONG(a+25, r->max.y);
BPLONG(a+29, p0->x);
BPLONG(a+33, p0->y);
BPLONG(a+37, p1->x);
BPLONG(a+41, p1->y);
}
void
draw(Image *dst, Rectangle r, Image *src, Image *mask, Point p1)
{
draw1(dst, &r, src, &p1, mask, &p1, SoverD);
}
void
drawop(Image *dst, Rectangle r, Image *src, Image *mask, Point p1, Drawop op)
{
draw1(dst, &r, src, &p1, mask, &p1, op);
}
void
gendraw(Image *dst, Rectangle r, Image *src, Point p0, Image *mask, Point p1)
{
draw1(dst, &r, src, &p0, mask, &p1, SoverD);
}
void
gendrawop(Image *dst, Rectangle r, Image *src, Point p0, Image *mask, Point p1, Drawop op)
{
draw1(dst, &r, src, &p0, mask, &p1, op);
}